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23 Cards in this Set
- Front
- Back
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When an object absorbs radiation, the :
A. photons disappear and are converted to another form of energy. B. energy is lost. C. photons reflect out to space D. photons slow down |
A. photons disappear and are converted to another form of energy
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The sky appears blue because:
A. the blue component of sunlight scatters more than the other frequencies and colors the atmosphere and is then reflected to our eyes. B. light is reflected by the Earth's oceans C. there is no atmosphere to scatter the light in the uppermost atmosphere. D. only blue frequencies are transmitted by the Sun. |
A. the blue component of sunlight scatters more than the other frequencies and colors the atmosphere and is then reflected to our eyes
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On __, every place on Earth receives 12 hours of sunlight and 12 hours of darkness.
A. the equinox B. the solstice C. the 4th of July D. Thanksgiving Day |
A. the equinox
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In additiona to revolving around the Sun, what is the other, most important reason we have seasons?
A. seasons are due to earth's proximity to the sun. B. seasons are due to roatation of the Earth on its axis C. seasons are due to the tilt of the earth on its axis D. seasons are due to the gravitational pull of the moon on Earth's atmosphere |
C. seasons are due to the tilt of the earth on its axis.
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when is the coldest time of the day? the warmest?
A. before sunrise; after sunset B. before sunrise; before sunset C.after sunrise; after sunset D. after sunrise; before sunset |
B. before sunrise; before sunset
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About __ percent of the incoming solar radiation reaches Earth's surface
A. 1 B. 95 C. 50 D. 10 |
c. 50
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if you place a pan of water and a rock outside on a hot summer day, the:
A. rock and the water heat to equal temperatues B. water becomes hotter than the rock C. rock becomes hotter than the water D. rock receives a larger quantity of solar radiation |
C. rock becomes hotter than the water
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why doesnt Earth get hot enough to boil oceans and melt rocks from the radiant energy it absorbs from the sun?
A. the energy disappears B. the atmosphere cools the earth C. the sun sets at night D. Rocks, soil, and water re-radiate all of the energy they absorb from the sun |
B. the atmosphere cools the earth
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On the summer solsitce in the Northern Hemisphere, sunlight strikes Earth directly overhead at the tropic of:
A. Aries B. centaurus C. Cancer D. Capricorn |
C. Cancer
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the region of the globe directly beneath the sun is warmer because it receives:
A. The least concentrated radiation B. the most concentrated radiation C. light of a different frequency D. light of a differen't wavelength |
B. the most concentrated radiaton
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__absorbs infared radiation in the atmosphere.
A. oxygen B. nitrogen C. Carbon Dioxide D. Helium |
B. Nitrogen
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Locations at the same latitude, which receive the same amount of solar radiation:
A. will have the same climate B. can have different climates C. are not affected by their heat storage properties D. have the same temperatures during the summer months only |
A. will have the same climate
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The greenhouse effect:
A. is a horrible, bad thing always B. traps solar radiation in the ozone layer C. keeps Earth habitable and allows water to exist in all three forms D. only affects a planet like Venus, where the atmosphere is mostly carbon dioxide |
C. keeps earth habitable and allows water to exist in all three forms.
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The _ is the entire range of radiation of different wavelengths and frequencies.
A. electric absorption B. electromagnetic spectrum C. wave scattering D. wave absorption |
B. electromagnetic spectrum
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Which is not an electromagnetic wave?
A. light B. sound C. x-rays D. infrared rays |
B. sound
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If scientist were to spread a thin layer of ashes on the Antarctic ice cap, we would expect that the albedo of the region would:
A. increase, leading to regional warming B. increase, leading to regional cooling C. decrease, leading to regional warming D. decrease, leading to regional cooling |
A. increase, leading to regional warming
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The radiation emitted by the Earth has a relatively __ wavelength and __ energy.
A. long, high B. long, low C. short, high D. short, low |
C. short, high
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Particles of light are called__.
A. photons B. protons C. plankton D. electrons |
A. photons
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ocean currents:
A. play no role in determining the average temperature of a region B. are the only factor that determines the average temperature of a region C. play a major role in determining the average temperature of a region. D. play a role in determining the average temperature of a region during the summer months only. |
C. play a major role in determining the average temperature of a region
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The earth remains warm at night because:
A. the albedo absorbs and retains much of the radiation emitted by the earths surface. B. the atmosphere absorbs and retains much of the radiation emitted by the moon. C. the atmosphere absorbs and retains much of the radiation emitted from the earth's surface. D. dark sky retains more heat than blue sky. |
A. the albedo absorbs and retains much of the radiation emitted by the earth's surface
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Albedo is the:
A. proportional reflectance of a surface. B. absolute absorption of a surface C. distribution of radiaton in all directions by a surface D. blue light scattering of a surface |
B. absolute absorption of a surface
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___ measures the total energy in asample.
A. temperature B. heat C. conduction D. specific heat |
C. conduction
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The most important greenhouse gases in the atmosphere are:
A. oxygen, water vapor, and methane B. nitrogen, oxygen, and carbon dioxide C. oxygen, nitrogen, and methane. D. water vapor, carbon dioxide, and methane |
B. Nitrogen, oxygen and carbon dioxide
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